ROTATIONAL MOTION

What does Tr2 represent in the figures?

• Rotational radius
• Time interval
• Energy level
• Translational trajectory of the center of mass

What is the path of a point on the edge of a rotating fan blade?

• Straight line
• Elliptical
• Random
• Circular

What is the minimum requirement for rotational motion?

• Two fixed points
• No fixed points
• Three fixed points
• At least one fixed point

What does the variation in α1, α2, α3 indicate in Fig. 6.6(b)?

• The body is breaking apart
• The mass is shifting
• Translation only
• Rotation is present

What is the motion of a thrown baton spinning through the air?

• Only translation
• Only rotation
• No motion
• Combination of translation and rotation